GRETCHEN J DIEFENBACH PHD
NPI 1154337939
Psychologist - Clinical in Hartford, CT


Quality Rating: 86.78 out of 100 score

NPI Status: Active since July 31, 2006

Contact Information

200 RETREAT AVENUE
HARTFORD HOSPITAL ANXIETY DISORDERS CENTER
HARTFORD, CT
ZIP 06106
Phone: (860) 545-7685

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  • Individual
  • Female
  • Psychologist
  • Clinical
  • PECOS Enrolled

About GRETCHEN DIEFENBACH

This page provides the complete NPI Profile along with additional information for Gretchen Diefenbach, a provider established in Hartford, Connecticut with a medical specialization in Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1154337939 assigned on July 2006. The practitioner's primary taxonomy code is 103TC0700X with license number 002370 (CT). The provider is registered as an individual and her NPI record was last updated 18 years ago.

NPI
1154337939
Provider Name
GRETCHEN J DIEFENBACH PHD
Gender
Female
Entity Type
Individual
Location Address
200 RETREAT AVENUE HARTFORD HOSPITAL ANXIETY DISORDERS CENTER HARTFORD, CT 06106
Location Phone
(860) 545-7685
Mailing Address
PO BOX 40,000 DEPT 634 HARTFORD HOSPITAL PROFESSIONAL SERVICES HARTFORD, CT 06151
Mailing Phone
(860) 545-7602
Is Sole Proprietor?
No
Enumeration Date
07-31-2006
Last Update Date
02-21-2008
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A clinical psychologist like Gretchen Diefenbach assesses, diagnoses, and treats mental, emotional, and behavioral disorders. Clinical psychologists help people deal with problems ranging from short-term personal issues to severe, chronic conditions. Clinical psychologists interview patients, give diagnostic tests, provide psychotherapy and design behavior modification programs to help patients.

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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Psychologist Clinical

Taxonomy Code
103TC0700X
Type
Behavioral Health & Social Service Providers
License No.
002370
License State
CT
Taxonomy Description
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

Medicare Participation & PECOS Enrollment Status

Gretchen Diefenbach is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Durable Medical Equipment (DME).

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: No

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): No

  • Eligible to Order or Refer Power Mobility Devices: No

Physician Visit Costs

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 06106 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99205

  • Average New Patient Price $183.1
  • Minimum New Patient Price $60.82
  • Maximum New Patient Price $183.1
  • Average New Patient Copayment $45.77
  • Minimum New Patient Copayment $15.2
  • Maximum New Patient Copayment $45.77

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $106.68
  • Minimum Established Patient Price $19.76
  • Maximum Established Patient Price $149.26
  • Average Established Patient Copayment $26.67
  • Minimum Established Patient Copayment $4.94
  • Maximum Established Patient Copayment $37.31

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Overall MIPS Quality Performance

The provider participated in CMS Quality Payment Program under the Merit-based Incentive Payment System (MIPS) and has an overall final score of 86.78, based on four performance areas: quality, improvement activities, promoting interoperability, and cost. The purpose of this information is to help people with Medicare make informed decisions and incentivize doctors and clinicians to maximize performance.

The Merit-based Incentive Payment System (MIPS) is a way providers could use to participate in CMS Quality Payment Program (QPP). The MIPS program affects clinician reimbursement for Part B covered professional services and also rewards them for improving the quality of patient care and outcomes.

  • Final Score: 86.78 out of 100

    The MIPS program evaluates providers across multiple categories with a specific weight for each category resulting a in a MIPS final score that ranges from 0 to 100 points. The MIPS Final Score determines whether providers receive a negative, neutral or positive MIPS payment adjustment.

  • Quality Score: 72.38

    The Quality category assesses providers performance on clinical practices and patient outcomes under the traditional MIPS program. The quality measures help identify the quality of healthcare processes, outcomes, and patient experiences. The Quality measure category compromises 40% providers final MPIS scores.

    There are six collection types for MIPS quality measures: Electronic Clinical Quality Measures (eCQMs), MIPS Clinical Quality Measures (CQMs), Qualified Clinical Data Registry (QCDR) Measures, Medicare Part B claims measures, CMS Web Interface measures and The Consumer Assessment of Healthcare Providers and Systems (CAHPS) for MIPS Survey.

  • Promoting Interoperability Score: 100

    The Interoperability category measures the providers ability to use technology to exchange and make use of healthcare information in a way that is less burdensome and improves outcomes. The Interoperability measure category compromises 25% providers final MPIS scores.

    The MIPS Interoperability measure focuses on the use of certified electronic health record technology (CEHRT) to improve patient access health information, the exchange of information between clinicians and pharmacies and the systematic collection, analysis, and interpretation of healthcare data.

  • Improvement Activities Score: 40

    The Improvement Activities performance category evaluates the providers participation in clinical activities that support the improvement of clinical practice, care delivery, and outcomes. Providers have the option to choose 2 to 4 activities from an inventory of over 100 improvement activities. Providers typically choose the activities that best fit their needs. The improvement activities measure category compromises 15% providers final MPIS scores.

    The Improvement measures aim to better patient engagement, patient safety and other areas of patient care. The Improvement Activities category compromises 15% of providers final MPIS scores.

  • Cost Score: 53.47

    The Cost performance category asses the amount and types of services provided and how clinicians coordinate care and seek improvement of health outcomes by ensuring patients receive the appropriate services.

    Although providers don't determine the price of healthcare services they are important in delivering high-quality care at a reasonable cost. The Cost measures category compromises 20% of providers final MPIS scores.

  • Cost Score: 53.47

    The Cost performance category asses the amount and types of services provided and how clinicians coordinate care and seek improvement of health outcomes by ensuring patients receive the appropriate services.

    Although providers don't determine the price of healthcare services they are important in delivering high-quality care at a reasonable cost. The Cost measures category compromises 20% of providers final MPIS scores.

Reviews for GRETCHEN J DIEFENBACH PHD

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NPI Validation Check Digit Calculation


The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.

Start with the original NPI number, the last digit is the check digit and is not used in the calculation.
1154337939
Step 1: Double the value of the alternate digits, beginning with the rightmost digit.
21104631496
Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24.
2 + 1 + 1 + 0 + 4 + 6 + 3 + 1 + 4 + 9 + 6 + 24 = 61
Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit.
70 - 61 = 99

The NPI number 1154337939 is valid because the calculated check digit 9 using the Luhn validation algorithm matches the last digit of the original NPI number.

Other Providers at the Same Location


The following 20 providers are registered at the same or nearby location.

NPI Name / Type Taxonomy Address
1467417113 LIANE A HENNESSEY PA
Individual
Clinical Nurse Specialist (Psychiatric/Mental Health)200 RETREAT AVENUE DONNELLY BUILDING INSTITUTE OF LIVING
HARTFORD, CT 06106
(860) 524-7224
1952336893 SUSAN E. GREY APRN
Individual
Clinical Nurse Specialist (Psychiatric/Mental Health, Adult)200 RETREAT AVENUE HARTFORD HOSPITAL PSYCHIATRY DEPT
HARTFORD, CT 06106
(860) 545-7330
1366477812 ARTURO E. MORALES MD
Individual
Psychiatry & Neurology (Psychiatry)200 RETREAT AVENUE HARTFORD HOSPITAL PSYCHIATRY DEPT
HARTFORD, CT 06106
(860) 545-7330
1619996790 JENNIFER L FERRAND PSY.D.
Individual
Psychologist200 RETREAT AVENUE HARTFORD HOSPITAL PSYCHIATRY DEPT
HARTFORD, CT 06106
(860) 545-7940
1619991700DR. ERIC DAVID COHEN M.D.
Individual
Psychiatry & Neurology (Child & Adolescent Psychiatry)200 RETREAT AVENUE HARTFORD HOSPITAL CHILD PSYCHIATRY
HARTFORD, CT 06106
(860) 545-7493
1174531149 TRACY E. MITCHELL ACSW, LCSW
Individual
Social Worker (Clinical)200 RETREAT AVENUE HARTFORD HOSPITAL PSYCHIATRY DEPT
HARTFORD, CT 06106
(860) 545-7203
1871506162DR. JOHN W GOETHE M.D.
Individual
Psychiatry & Neurology (Psychiatry)200 RETREAT AVENUE HARTFORD HOSPITAL PSYCHIATRY DEPT
HARTFORD, CT 06106
(860) 545-7118
1205949435DR. NORA N HANNA M.D.
Individual
Psychiatry & Neurology (Child & Adolescent Psychiatry)200 RETREAT AVENUE HARTFORD HOSPITAL CHILD PSYCHIATRY
HARTFORD, CT 06106
(860) 545-7493
1205943735DR. HOWARD G IGER M.D.
Individual
Psychiatry & Neurology (Psychiatry)200 RETREAT AVENUE HARTFORD HOSPITAL PSYCHIATRY DEPT
HARTFORD, CT 06106
(860) 545-7033
1245347707 FIONA C KEHOE PH.D.
Individual
Clinical Neuropsychologist200 RETREAT AVENUE HARTFORD HOSPITAL PSYCHIATRY DEPT
HARTFORD, CT 06106
(860) 545-2793
1871609487 DANA TAYLOR SHAGAN PSYD
Individual
Psychologist (Clinical)200 RETREAT AVENUE HARTFORD HOSPITAL PSYCHIATRY DEPARTMENT
HARTFORD, CT 06106
(860) 545-7665
1720194319 WARREN ROY THIME PHD
Individual
Psychologist (Clinical)200 RETREAT AVENUE HARTFORD HOSPITAL PSYCHIATRY DEPARTMENT
HARTFORD, CT 06106
(860) 545-7665
1346358181 GAIL MARY BOURDON LCSW, PH.D
Individual
Social Worker (Clinical)200 RETREAT AVENUE HARTFORD HOSPITAL PSYCHIATRY DEPARTMENT
HARTFORD, CT 06106
(860) 545-7061
1780793380DR. THEODORE F MUCHA M.D.
Individual
Psychiatry & Neurology (Psychiatry)200 RETREAT AVENUE HARTFORD HOSPITAL PSYCHIATRY DEPT
HARTFORD, CT 06106
(860) 545-7260
1427169549DR. JULIAN OFFSAY MD
Individual
Psychiatry & Neurology (Geriatric Psychiatry)200 RETREAT AVENUE HARTFORD HOSPITAL PSYCHIATRY DEPT
HARTFORD, CT 06106
(860) 545-7229
1609978030DR. DAVID A PEPPER M.D.
Individual
Psychiatry & Neurology (Psychiatry)200 RETREAT AVENUE HARTFORD HOSPITAL PSYCHIATRY DEPT
HARTFORD, CT 06106
(860) 545-7200
1679677256DR. HAROLD I SCHWARTZ M.D.
Individual
Psychiatry & Neurology (Psychiatry)200 RETREAT AVENUE HARTFORD HOSPITAL PSYCHIATRY DEPT
HARTFORD, CT 06106
(860) 545-7280
1093813545 RACHEL M. DUZANT PSYD
Individual
Psychologist (Clinical)200 RETREAT AVENUE HARTFORD HOSPITAL PSYCHIATRY DEPT
HARTFORD, CT 06106
(860) 545-7665
1508964982 NANCY BROWN JANUS LCSW
Individual
Social Worker (Clinical)200 RETREAT AVENUE HARTFORD HOSPITAL PSYCHIATRY DEPARTMENT
HARTFORD, CT 06106
(860) 545-7229
1962503821 DAVID F TOLIN PHD
Individual
Psychologist200 RETREAT AVENUE HARTFORD HOSPITAL ANXIETY DISORDERS CENTER
HARTFORD, CT 06106
(860) 545-7685

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1154337939, enumerated in the NPI registry as an "individual" on July 31, 2006

The provider is located at 200 Retreat Avenue Hartford Hospital Anxiety Disorders Center Hartford, Ct 06106 and the phone number is (860) 545-7685

The provider's speciality is Psychologist with taxonomy code 103TC0700X with a focus in Clinical

Yes, as of June 20, 2025 the provider is registered in PECOS and is eligible to order health care services or supplies for Medicare patients. If you are a beneficiary the provider is eligible to order or refer: Durable Medical Equipment (DME).

The provider has an overall high rating in the following quality measures: uses technology to exchange and make use of healthcare information.

Medicare beneficiaries should expect a typical cost of $183.1 with an average copayment of $45.77 for new patient appointments. Established patients should expect a typical charge of $106.68 and an average copayment of 26.67. Please review your insurance plan or contact the provider directly to determine your specific costs.

This NPI record was last updated on July 31, 2006. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
NPI Profile data is regularly updated with the latest NPI registry information, if you would like to update or remove your NPI Profile in this website please contact us.